http://flixel.org/
API Documentation:
http://flixel.org/docs/
Game demo:
Forums:
http://forums.flixel.org/
Flixel game archive:
http://games.flixel.org/
Flixel Power Tools:
http://www.photonstorm.com/flixel-power-tools
Flixel tutorials:
- Flixel 2 tutorial
- Creating a Flash platform game with Flixel and Flex
- Flash Game Dev Tip #12 – Building a retro platform game in Flixel, Part 1
- Flash Game Dev Tip #13 – Building a retro platform game in Flixel, Part 2